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Lostsunrise [7]
3 years ago
9

How many variable terms are in the expression 3x3y + 5x2 + y + 9?

Mathematics
1 answer:
Ratling [72]3 years ago
7 0
Three variable terms appear in this expression. Although 9xy has two variables, they combine to make one term. 

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Tell whether or not the relation is a function.<br> {(-4,-7), (-1, 8), (4, -7), (4, -8)}
shutvik [7]

Answer:

Not a function because the domain 4 repeats.

6 0
2 years ago
A group of 4 friends is playing cards. The deck has 70 cards. To start the game, the dealer makes a pile of 15 cards in the cent
ale4655 [162]

Answer:

14 cards

Step-by-step explanation:

70 - 15 = 55

55/4 = 13.75

Therefore, the highest number of cards someone is able to get is 14.

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2 years ago
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MariettaO [177]
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7 0
2 years ago
When an object is thrown upwards with a speed of 64 ft/sec, its height above the ground is given by the function h(t)=−16t2+64t
Svet_ta [14]

Answer:

The object will reach its highest point 0.5 seconds after it has been thrown.

Step-by-step explanation:

The object reaches its maximum height when velocity is equal to zero, the velocity is the derivative of function height. That is:

v(t) = \frac{d}{dt}h(t) (1)

Where v(t) is the velocity of the object at time t, in feet per seconds.

If we know that h(t) =-16\cdot t^{2}+64\cdot t and v(t) = 0\,\frac{ft}{s}, then the time when object reaches its highest point is:

v(t) = -32\cdot t+64

-32\cdot t + 64 = 0

t = 0.5\,s

The object will reach its highest point 0.5 seconds after it has been thrown.

3 0
2 years ago
Paul was thinking of a number. Paul adds 1.2 to the number the doubles the result to get an answer of 68.3. Form an equation wit
Nikitich [7]

Answer:

(x+1.2)2=68.3

Step-by-step explanation:

(x+1.2)2=68.3

6 0
2 years ago
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